In a dueling rally approximately a block away from Trump's own El Paso event, O’Rourke, who’s considering a 2020 White House run, touted the city as one of the safest in America for the past two decades. He claimed that since part of a wall was built, the city was "in fact a little less safe."

“With the eyes of the country upon us, all of you together are going to make our stand in one of the safest cities in the United States of America. Safe not because of walls but in spite of walls,” O’Rourke said. “Secure because we treat one another with dignity and respect, that’s the way we make our communities and country safe.”

O'Rourke didn't say Trump's name, but he repeatedly criticized the president for his depictions of immigrants and said that the voters must "stand for the truth, against lies and hate and ignorance and intolerance."

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“A president describes Mexican immigrants as rapists and criminals. We have the chance to tell him and the country that they commit crimes at a lower rate than Americans who are born in this country,” O’Rourke said.

But last week, the former congressman reemerged and entered the national spotlight during an appearance with Oprah Winfrey. O’Rourke told Winfrey he’s been “thinking” about running for the White House and will make a decision on 2020 before the end of the month.

A standoff between Trump and House Democrats over the president’s demand for $5.7 billion in border wall funding led to a 35-day partial government shutdown, the longest in U.S. history that ended late January.

Meanwhile, not far down the road, Trump held his own rally to drum up support for a border wall, flanked by red and white signs that read “Finish the wall.”

As Trump and O’Rourke held their respective rallies in El Paso, lawmakers in Washington on Monday night said they reached an agreement “in principle” that would prevent a second government shutdown that’ll begin on Saturday.